Foldable stereoscopic viewer



FIG. 1 is a frontal perspective view of a foldable stereoscopic viewer showing my new design;

FIG. 2 is a rear perspective view of the viewer shown in FIG. 1;

FIG. 3 is a front elevational view of the viewer shown in FIG. 1;

FIG. 4 is a rear elevational view of the viewer shown in FIG. 1;

FIG. 5 is a top plan view of the viewer shown in FIG. 1;

FIG. 6 is a bottom plan view of the viewer shown in FIG. 1;

FIG. 7 is a reduced side elevational view of the viewer shown in FIG. 1, the opposite side being a mirror image thereof; and,

FIG. 8 is a top plan view of the foldable blank of the viewer shown in FIG. 1. 

The ornamental design for a foldable stereoscopic viewer, as shown and described. 